-70.71% is the change from 891 to 261
Calculation steps:
[( 261 - 891 ) ÷ 891] x 100 = -70.71%
Formula
Percentage change = [(261 - 891) / 891] x 100
Subtract the new number by the original number
261 - 891 = -630
-630 ÷ 891 = -0.7070707070707071
-0.7070707070707071 x 100 = -70.71%